component
AO4404
Public Made by Adomby adom
UMW MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownAO4404
UMW · MOSFETs · SOP-8
AO4404 from UMW, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | S | passive | Source terminal of the N-channel MOSFET, grouped with pins 2 and 3 as the source connection; the device is rated VDS 20 V with VGS ±16 V. |
| 2 | S | passive | Source terminal of the N-channel MOSFET, grouped with pins 1 and 3 as the source connection; the device is rated VDS 20 V with VGS ±16 V. |
| 3 | S | passive | Source terminal of the N-channel MOSFET, grouped with pins 1 and 2 as the source connection; the device is rated VDS 20 V with VGS ±16 V. |
| 4 | G | input | Gate terminal of the N-channel MOSFET; the gate-source voltage is rated ±16 V and the datasheet specifies operation with gate voltages as low as 4.5 V. |
| 5 | D | passive | Drain terminal of the N-channel MOSFET, grouped with pins 6, 7 and 8 as the drain connection; the device is rated VDS 20 V and ID 12 A. |
| 6 | D | passive | Drain terminal of the N-channel MOSFET, grouped with pins 5, 7 and 8 as the drain connection; the device is rated VDS 20 V and ID 12 A. |
| 7 | D | passive | Drain terminal of the N-channel MOSFET, grouped with pins 5, 6 and 8 as the drain connection; the device is rated VDS 20 V and ID 12 A. |
| 8 | D | passive | Drain terminal of the N-channel MOSFET, grouped with pins 5, 6 and 7 as the drain connection; the device is rated VDS 20 V and ID 12 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UMW |
| Package | SOP-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Drain-Source Breakdown Voltage | VDS | 20 | V | VGS=0V, ID=250μA | 3 | ||
| Gate-Source Threshold Voltage | VGS(th) | 1 | 3 | V | VDS=VGS, ID=250μA | 3 | |
| Gate-Source Leakage | IGSS | -100 | 100 | nA | VDS=0V, VGS=±16V | 3 | |
| Zero Gate Voltage Drain Current | IDSS | 1 | µA | VDS=20V, VGS=0V | 3 | ||
| Zero Gate Voltage Drain Current (TJ=55°C) | IDSS | 10 | µA | VDS=20V, VGS=0V, TJ=55°C | 3 | ||
| On-State Drain Current | ID(ON) | 50 | A | VDS≥5V, VGS=10V | 3 | ||
| Drain-Source On-State Resistance | RDS(ON) | 20 | mΩ | VGS=10V | 1 | ||
| Body Diode Voltage | VSD | 1.2 | V | IS=9A | 4 | ||
| Drain-Source Voltage | VDS | 20 | V | 1 | |||
| Gate-Source Voltage | VGS | -16 | 16 | V | 1 | ||
| Continuous Drain Current | ID | 12 | A | TC=25°C, TJ=150°C | 1 | ||
| Continuous Drain Current | ID | 11 | A | TC=70°C, TJ=150°C | 1 | ||
| Continuous Drain Current | ID | 10 | A | TA=25°C (footnotes b,c) | 1 | ||
| Continuous Drain Current | ID | 8 | A | TA=70°C (footnotes b,c) | 1 | ||
| Pulsed Drain Current | IDM | 47 | A | 1 | |||
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | 150 | °C | 1 | ||
| Maximum Junction-to-Ambient | RthJA | 39 | 55 | °C/W | t ≤ 10s | 2 | |
| Maximum Junction-to-Foot (Drain) | RthJF | 25 | 29 | °C/W | 2 |
CAD (KiCad official)
- Symbol:
AO4404 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
ao4404-etched.step/ao4404-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ao4404.step/ao4404.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UMW datasheet (11 pp, sha256
51344edb5835bf58, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).